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Restriction Enzyme

The usual sou...

Question

The usual source of restriction endonucleases used in gene cloning is from

A

fungi

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B

bacteria

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C

plants

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D

viruses

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Solution

The correct option is B bacteria
Bacterial species are the major source of commercial restriction endonucleases. Restriction endonucleases can cleave the DNA at specific sites and so they are used in gene cloning.

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I. Introduction of cloning vector into cells.
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Restriction Enzyme

Standard XII Biology

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